#include <wrapper/rcu.h>
#include <wrapper/syscall.h>
#include <lttng/events.h>
+#include <lttng/events-internal.h>
#include <lttng/utils.h>
+#include "lttng-syscalls.h"
+
#ifndef CONFIG_COMPAT
# ifndef is_compat_task
# define is_compat_task() (0)
#undef LTTNG_PACKAGE_BUILD
#undef CREATE_TRACE_POINTS
-struct trace_syscall_entry {
- void *event_func;
- void *event_notifier_func;
- const struct lttng_kernel_event_desc *desc;
- const struct lttng_kernel_event_field **fields;
- unsigned int nrargs;
-};
-
#define CREATE_SYSCALL_TABLE
#define SC_ENTER
#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs) \
[ _nr ] = { \
.event_func = __event_probe__syscall_entry_##_template, \
- .event_notifier_func = __event_notifier_probe__syscall_entry_##_template, \
.nrargs = (_nrargs), \
.fields = __event_fields___syscall_entry_##_template, \
.desc = &__event_desc___syscall_entry_##_name, \
},
/* Event syscall enter tracing table */
-static const struct trace_syscall_entry sc_table[] = {
+static const struct trace_syscall_entry _sc_table[] = {
#include <instrumentation/syscalls/headers/syscalls_integers.h>
#include <instrumentation/syscalls/headers/syscalls_pointers.h>
};
+
+const struct trace_syscall_table sc_table = {
+ .table = _sc_table,
+ .len = ARRAY_SIZE(_sc_table),
+};
+
#undef TRACE_SYSCALL_TABLE
#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs) \
[ _nr ] = { \
.event_func = __event_probe__compat_syscall_entry_##_template, \
- .event_notifier_func = __event_notifier_probe__compat_syscall_entry_##_template, \
.nrargs = (_nrargs), \
.fields = __event_fields___compat_syscall_entry_##_template, \
.desc = &__event_desc___compat_syscall_entry_##_name, \
},
/* Event compat syscall enter table */
-const struct trace_syscall_entry compat_sc_table[] = {
+const struct trace_syscall_entry _compat_sc_table[] = {
#include <instrumentation/syscalls/headers/compat_syscalls_integers.h>
#include <instrumentation/syscalls/headers/compat_syscalls_pointers.h>
};
+const struct trace_syscall_table compat_sc_table = {
+ .table = _compat_sc_table,
+ .len = ARRAY_SIZE(_compat_sc_table),
+};
+
#undef SC_ENTER
#define SC_EXIT
#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs) \
[ _nr ] = { \
.event_func = __event_probe__syscall_exit_##_template, \
- .event_notifier_func = __event_notifier_probe__syscall_exit_##_template, \
.nrargs = (_nrargs), \
.fields = __event_fields___syscall_exit_##_template, \
.desc = &__event_desc___syscall_exit_##_name, \
},
/* Event syscall exit table */
-static const struct trace_syscall_entry sc_exit_table[] = {
+static const struct trace_syscall_entry _sc_exit_table[] = {
#include <instrumentation/syscalls/headers/syscalls_integers.h>
#include <instrumentation/syscalls/headers/syscalls_pointers.h>
};
+const struct trace_syscall_table sc_exit_table = {
+ .table = _sc_exit_table,
+ .len = ARRAY_SIZE(_sc_exit_table),
+};
+
+
#undef TRACE_SYSCALL_TABLE
#define TRACE_SYSCALL_TABLE(_template, _name, _nr, _nrargs) \
[ _nr ] = { \
.event_func = __event_probe__compat_syscall_exit_##_template, \
- .event_notifier_func = __event_notifier_probe__compat_syscall_exit_##_template, \
.nrargs = (_nrargs), \
.fields = __event_fields___compat_syscall_exit_##_template, \
.desc = &__event_desc___compat_syscall_exit_##_name, \
},
/* Event compat syscall exit table */
-const struct trace_syscall_entry compat_sc_exit_table[] = {
+const struct trace_syscall_entry _compat_sc_exit_table[] = {
#include <instrumentation/syscalls/headers/compat_syscalls_integers.h>
#include <instrumentation/syscalls/headers/compat_syscalls_pointers.h>
};
+const struct trace_syscall_table compat_sc_exit_table = {
+ .table = _compat_sc_exit_table,
+ .len = ARRAY_SIZE(_compat_sc_exit_table),
+};
+
#undef SC_EXIT
#undef CREATE_SYSCALL_TABLE
lttng_syscall_get_arguments(current, regs, args);
lttng_hlist_for_each_entry_rcu(event_priv, unknown_action_list_head, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- if (unlikely(in_compat_syscall()))
- __event_probe__compat_syscall_entry_unknown(event_recorder, id, args);
- else
- __event_probe__syscall_entry_unknown(event_recorder, id, args);
- }
-}
-
-static void syscall_entry_event_notifier_unknown(
- struct hlist_head *unknown_dispatch_list_head,
- struct pt_regs *regs, long id)
-{
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
- struct lttng_kernel_event_common_private *event_priv;
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, unknown_dispatch_list_head, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
if (unlikely(in_compat_syscall()))
- __event_notifier_probe__compat_syscall_entry_unknown(event_notifier, id, args);
+ __event_probe__compat_syscall_entry_unknown(event_priv->pub, id, args);
else
- __event_notifier_probe__syscall_entry_unknown(event_notifier, id, args);
- }
-}
-
-static void syscall_exit_event_notifier_unknown(
- struct hlist_head *unknown_dispatch_list_head,
- struct pt_regs *regs, long id, long ret)
-{
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
- struct lttng_kernel_event_common_private *event_priv;
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, unknown_dispatch_list_head, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- if (unlikely(in_compat_syscall()))
- __event_notifier_probe__compat_syscall_exit_unknown(event_notifier, id, ret, args);
- else
- __event_notifier_probe__syscall_exit_unknown(event_notifier, id, ret, args);
+ __event_probe__syscall_entry_unknown(event_priv->pub, id, args);
}
}
static __always_inline
-void syscall_entry_call_func(struct hlist_head *action_list,
+void syscall_entry_event_call_func(struct hlist_head *action_list,
void *func, unsigned int nrargs,
struct pt_regs *regs)
{
{
void (*fptr)(void *__data) = func;
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub);
break;
}
case 1:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, args[0]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, args[0]);
break;
}
case 2:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, args[0], args[1]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, args[0], args[1]);
break;
}
case 3:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, args[0], args[1], args[2]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, args[0], args[1], args[2]);
break;
}
case 4:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, args[0], args[1], args[2], args[3]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, args[0], args[1], args[2], args[3]);
break;
}
case 5:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, args[0], args[1], args[2], args[3], args[4]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, args[0], args[1], args[2], args[3], args[4]);
break;
}
case 6:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, args[0], args[1], args[2],
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, args[0], args[1], args[2],
args[3], args[4], args[5]);
- }
- break;
- }
- default:
- break;
- }
-}
-
-static __always_inline
-void syscall_entry_event_notifier_call_func(struct hlist_head *dispatch_list,
- void *func, unsigned int nrargs, struct pt_regs *regs)
-{
- struct lttng_kernel_event_common_private *event_priv;
-
- switch (nrargs) {
- case 0:
- {
- void (*fptr)(void *__data) = func;
-
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier);
- }
- break;
- }
- case 1:
- {
- void (*fptr)(void *__data, unsigned long arg0) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, args[0]);
- }
- break;
- }
- case 2:
- {
- void (*fptr)(void *__data,
- unsigned long arg0,
- unsigned long arg1) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, args[0], args[1]);
- }
- break;
- }
- case 3:
- {
- void (*fptr)(void *__data,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, args[0], args[1], args[2]);
- }
- break;
- }
- case 4:
- {
- void (*fptr)(void *__data,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, args[0], args[1], args[2], args[3]);
- }
- break;
- }
- case 5:
- {
- void (*fptr)(void *__data,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, args[0], args[1], args[2], args[3], args[4]);
- }
- break;
- }
- case 6:
- {
- void (*fptr)(void *__data,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4,
- unsigned long arg5) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, args[0], args[1], args[2], args[3], args[4], args[5]);
- }
break;
}
default:
/* System call filtered out. */
return;
}
- table = compat_sc_table;
- table_len = ARRAY_SIZE(compat_sc_table);
+ table = compat_sc_table.table;
+ table_len = compat_sc_table.len;
unknown_action_list = &chan->sc_compat_unknown;
} else {
struct lttng_syscall_filter *filter = chan->sc_filter;
/* System call filtered out. */
return;
}
- table = sc_table;
- table_len = ARRAY_SIZE(sc_table);
+ table = sc_table.table;
+ table_len = sc_table.len;
unknown_action_list = &chan->sc_unknown;
}
if (unlikely(id < 0 || id >= table_len)) {
if (unlikely(hlist_empty(action_list)))
return;
- syscall_entry_call_func(action_list, entry->event_func, entry->nrargs, regs);
+ syscall_entry_event_call_func(action_list, entry->event_func, entry->nrargs, regs);
}
void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs,
/* System call filtered out. */
return;
}
- table = compat_sc_table;
- table_len = ARRAY_SIZE(compat_sc_table);
+ table = compat_sc_table.table;
+ table_len = compat_sc_table.len;
unknown_dispatch_list = &group->event_notifier_compat_unknown_syscall_dispatch;
} else {
struct lttng_syscall_filter *filter = group->sc_filter;
/* System call filtered out. */
return;
}
- table = sc_table;
- table_len = ARRAY_SIZE(sc_table);
+ table = sc_table.table;
+ table_len = sc_table.len;
unknown_dispatch_list = &group->event_notifier_unknown_syscall_dispatch;
}
/* Check if the syscall id is out of bound. */
if (unlikely(id < 0 || id >= table_len)) {
- syscall_entry_event_notifier_unknown(unknown_dispatch_list,
+ syscall_entry_event_unknown(unknown_dispatch_list,
regs, id);
return;
}
entry = &table[id];
- if (!entry->event_notifier_func) {
- syscall_entry_event_notifier_unknown(unknown_dispatch_list,
+ if (!entry->event_func) {
+ syscall_entry_event_unknown(unknown_dispatch_list,
regs, id);
return;
}
if (unlikely(hlist_empty(dispatch_list)))
return;
- syscall_entry_event_notifier_call_func(dispatch_list,
- entry->event_notifier_func, entry->nrargs, regs);
+ syscall_entry_event_call_func(dispatch_list,
+ entry->event_func, entry->nrargs, regs);
}
static void syscall_exit_event_unknown(struct hlist_head *unknown_action_list_head,
lttng_syscall_get_arguments(current, regs, args);
lttng_hlist_for_each_entry_rcu(event_priv, unknown_action_list_head, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
if (unlikely(in_compat_syscall()))
- __event_probe__compat_syscall_exit_unknown(event_recorder, id, ret,
+ __event_probe__compat_syscall_exit_unknown(event_priv->pub, id, ret,
args);
else
- __event_probe__syscall_exit_unknown(event_recorder, id, ret, args);
+ __event_probe__syscall_exit_unknown(event_priv->pub, id, ret, args);
}
}
static __always_inline
-void syscall_exit_call_func(struct hlist_head *action_list,
+void syscall_exit_event_call_func(struct hlist_head *action_list,
void *func, unsigned int nrargs,
struct pt_regs *regs, long ret)
{
{
void (*fptr)(void *__data, long ret) = func;
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret);
break;
}
case 1:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret, args[0]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret, args[0]);
break;
}
case 2:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret, args[0], args[1]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret, args[0], args[1]);
break;
}
case 3:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret, args[0], args[1], args[2]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret, args[0], args[1], args[2]);
break;
}
case 4:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret, args[0], args[1], args[2], args[3]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret, args[0], args[1], args[2], args[3]);
break;
}
case 5:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret, args[0], args[1], args[2], args[3], args[4]);
- }
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret, args[0], args[1], args[2], args[3], args[4]);
break;
}
case 6:
unsigned long args[LTTNG_SYSCALL_NR_ARGS];
lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node) {
- struct lttng_kernel_event_recorder_private *event_recorder_priv =
- container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
- struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
-
- fptr(event_recorder, ret, args[0], args[1], args[2],
+ lttng_hlist_for_each_entry_rcu(event_priv, action_list, u.syscall.node)
+ fptr(event_priv->pub, ret, args[0], args[1], args[2],
args[3], args[4], args[5]);
- }
break;
}
default:
/* System call filtered out. */
return;
}
- table = compat_sc_exit_table;
- table_len = ARRAY_SIZE(compat_sc_exit_table);
+ table = compat_sc_exit_table.table;
+ table_len = compat_sc_exit_table.len;
unknown_action_list = &chan->compat_sc_exit_unknown;
} else {
struct lttng_syscall_filter *filter = chan->sc_filter;
/* System call filtered out. */
return;
}
- table = sc_exit_table;
- table_len = ARRAY_SIZE(sc_exit_table);
+ table = sc_exit_table.table;
+ table_len = sc_exit_table.len;
unknown_action_list = &chan->sc_exit_unknown;
}
if (unlikely(id < 0 || id >= table_len)) {
if (unlikely(hlist_empty(action_list)))
return;
- syscall_exit_call_func(action_list, entry->event_func, entry->nrargs,
+ syscall_exit_event_call_func(action_list, entry->event_func, entry->nrargs,
regs, ret);
}
-static __always_inline
-void syscall_exit_event_notifier_call_func(struct hlist_head *dispatch_list,
- void *func, unsigned int nrargs, struct pt_regs *regs, long ret)
-{
- struct lttng_kernel_event_common_private *event_priv;
-
- switch (nrargs) {
- case 0:
- {
- void (*fptr)(void *__data, long ret) = func;
-
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret);
- }
- break;
- }
- case 1:
- {
- void (*fptr)(void *__data, long ret, unsigned long arg0) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret, args[0]);
- }
- break;
- }
- case 2:
- {
- void (*fptr)(void *__data,
- long ret,
- unsigned long arg0,
- unsigned long arg1) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret, args[0], args[1]);
- }
- break;
- }
- case 3:
- {
- void (*fptr)(void *__data,
- long ret,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret, args[0], args[1], args[2]);
- }
- break;
- }
- case 4:
- {
- void (*fptr)(void *__data,
- long ret,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret, args[0], args[1], args[2], args[3]);
- }
- break;
- }
- case 5:
- {
- void (*fptr)(void *__data,
- long ret,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret, args[0], args[1], args[2], args[3], args[4]);
- }
- break;
- }
- case 6:
- {
- void (*fptr)(void *__data,
- long ret,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4,
- unsigned long arg5) = func;
- unsigned long args[LTTNG_SYSCALL_NR_ARGS];
-
- lttng_syscall_get_arguments(current, regs, args);
- lttng_hlist_for_each_entry_rcu(event_priv, dispatch_list, u.syscall.node) {
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
-
- fptr(event_notifier, ret, args[0], args[1], args[2], args[3], args[4], args[5]);
- }
- break;
- }
- default:
- break;
- }
-}
-
static
void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
long ret)
/* System call filtered out. */
return;
}
- table = compat_sc_exit_table;
- table_len = ARRAY_SIZE(compat_sc_exit_table);
+ table = compat_sc_exit_table.table;
+ table_len = compat_sc_exit_table.len;
unknown_dispatch_list = &group->event_notifier_exit_compat_unknown_syscall_dispatch;
} else {
struct lttng_syscall_filter *filter = group->sc_filter;
/* System call filtered out. */
return;
}
- table = sc_exit_table;
- table_len = ARRAY_SIZE(sc_exit_table);
+ table = sc_exit_table.table;
+ table_len = sc_exit_table.len;
unknown_dispatch_list = &group->event_notifier_exit_unknown_syscall_dispatch;
}
/* Check if the syscall id is out of bound. */
if (unlikely(id < 0 || id >= table_len)) {
- syscall_exit_event_notifier_unknown(unknown_dispatch_list,
+ syscall_exit_event_unknown(unknown_dispatch_list,
regs, id, ret);
return;
}
entry = &table[id];
- if (!entry->event_notifier_func) {
- syscall_entry_event_notifier_unknown(unknown_dispatch_list,
+ if (!entry->event_func) {
+ syscall_entry_event_unknown(unknown_dispatch_list,
regs, id);
return;
}
if (unlikely(hlist_empty(dispatch_list)))
return;
- syscall_exit_event_notifier_call_func(dispatch_list,
- entry->event_notifier_func, entry->nrargs, regs, ret);
+ syscall_exit_event_call_func(dispatch_list,
+ entry->event_func, entry->nrargs, regs, ret);
}
/*
* noinline to diminish caller stack size.
enum sc_type type)
{
struct lttng_channel *chan = event_enabler->chan;
- struct lttng_session *session = chan->session;
+ struct lttng_kernel_session *session = chan->session;
unsigned int i;
/* Allocate events for each syscall matching enabler, insert into table */
* Check if already created.
*/
head = utils_borrow_hash_table_bucket(
- session->events_ht.table, LTTNG_EVENT_HT_SIZE,
+ session->priv->events_ht.table, LTTNG_EVENT_HT_SIZE,
desc->event_name);
lttng_hlist_for_each_entry(event_recorder_priv, head, hlist) {
if (event_recorder_priv->parent.desc == desc
if (!chan->sc_table) {
/* create syscall table mapping syscall to events */
chan->sc_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
- * ARRAY_SIZE(sc_table), GFP_KERNEL);
+ * sc_table.len, GFP_KERNEL);
if (!chan->sc_table)
return -ENOMEM;
}
if (!chan->sc_exit_table) {
/* create syscall table mapping syscall to events */
chan->sc_exit_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
- * ARRAY_SIZE(sc_exit_table), GFP_KERNEL);
+ * sc_exit_table.len, GFP_KERNEL);
if (!chan->sc_exit_table)
return -ENOMEM;
}
if (!chan->compat_sc_table) {
/* create syscall table mapping compat syscall to events */
chan->compat_sc_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
- * ARRAY_SIZE(compat_sc_table), GFP_KERNEL);
+ * compat_sc_table.len, GFP_KERNEL);
if (!chan->compat_sc_table)
return -ENOMEM;
}
if (!chan->compat_sc_exit_table) {
/* create syscall table mapping compat syscall to events */
chan->compat_sc_exit_table = kzalloc(sizeof(struct lttng_kernel_event_recorder *)
- * ARRAY_SIZE(compat_sc_exit_table), GFP_KERNEL);
+ * compat_sc_exit_table.len, GFP_KERNEL);
if (!chan->compat_sc_exit_table)
return -ENOMEM;
}
hlist_add_head(&event_recorder->priv->parent.u.syscall.node, &chan->sc_exit_unknown);
}
- ret = lttng_create_syscall_event_if_missing(sc_table, ARRAY_SIZE(sc_table),
+ ret = lttng_create_syscall_event_if_missing(sc_table.table, sc_table.len,
chan->sc_table, event_enabler, SC_TYPE_ENTRY);
if (ret)
return ret;
- ret = lttng_create_syscall_event_if_missing(sc_exit_table, ARRAY_SIZE(sc_exit_table),
+ ret = lttng_create_syscall_event_if_missing(sc_exit_table.table, sc_exit_table.len,
chan->sc_exit_table, event_enabler, SC_TYPE_EXIT);
if (ret)
return ret;
#ifdef CONFIG_COMPAT
- ret = lttng_create_syscall_event_if_missing(compat_sc_table, ARRAY_SIZE(compat_sc_table),
+ ret = lttng_create_syscall_event_if_missing(compat_sc_table.table, compat_sc_table.len,
chan->compat_sc_table, event_enabler, SC_TYPE_COMPAT_ENTRY);
if (ret)
return ret;
- ret = lttng_create_syscall_event_if_missing(compat_sc_exit_table, ARRAY_SIZE(compat_sc_exit_table),
+ ret = lttng_create_syscall_event_if_missing(compat_sc_exit_table.table, compat_sc_exit_table.len,
chan->compat_sc_exit_table, event_enabler, SC_TYPE_COMPAT_EXIT);
if (ret)
return ret;
if (!group->event_notifier_syscall_dispatch) {
group->event_notifier_syscall_dispatch =
- kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(sc_table),
+ kzalloc(sizeof(struct hlist_head) * sc_table.len,
GFP_KERNEL);
if (!group->event_notifier_syscall_dispatch)
return -ENOMEM;
/* Initialize all list_head */
- for (i = 0; i < ARRAY_SIZE(sc_table); i++)
+ for (i = 0; i < sc_table.len; i++)
INIT_HLIST_HEAD(&group->event_notifier_syscall_dispatch[i]);
/* Init the unknown syscall notifier list. */
if (!group->event_notifier_exit_syscall_dispatch) {
group->event_notifier_exit_syscall_dispatch =
- kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(sc_table),
+ kzalloc(sizeof(struct hlist_head) * sc_table.len,
GFP_KERNEL);
if (!group->event_notifier_exit_syscall_dispatch)
return -ENOMEM;
/* Initialize all list_head */
- for (i = 0; i < ARRAY_SIZE(sc_table); i++)
+ for (i = 0; i < sc_table.len; i++)
INIT_HLIST_HEAD(&group->event_notifier_exit_syscall_dispatch[i]);
/* Init the unknown exit syscall notifier list. */
#ifdef CONFIG_COMPAT
if (!group->event_notifier_compat_syscall_dispatch) {
group->event_notifier_compat_syscall_dispatch =
- kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(compat_sc_table),
+ kzalloc(sizeof(struct hlist_head) * compat_sc_table.len,
GFP_KERNEL);
if (!group->event_notifier_syscall_dispatch)
return -ENOMEM;
/* Initialize all list_head */
- for (i = 0; i < ARRAY_SIZE(compat_sc_table); i++)
+ for (i = 0; i < compat_sc_table.len; i++)
INIT_HLIST_HEAD(&group->event_notifier_compat_syscall_dispatch[i]);
/* Init the unknown syscall notifier list. */
if (!group->event_notifier_exit_compat_syscall_dispatch) {
group->event_notifier_exit_compat_syscall_dispatch =
- kzalloc(sizeof(struct hlist_head) * ARRAY_SIZE(compat_sc_exit_table),
+ kzalloc(sizeof(struct hlist_head) * compat_sc_exit_table.len,
GFP_KERNEL);
if (!group->event_notifier_exit_syscall_dispatch)
return -ENOMEM;
/* Initialize all list_head */
- for (i = 0; i < ARRAY_SIZE(compat_sc_exit_table); i++)
+ for (i = 0; i < compat_sc_exit_table.len; i++)
INIT_HLIST_HEAD(&group->event_notifier_exit_compat_syscall_dispatch[i]);
/* Init the unknown exit syscall notifier list. */
if (entryexit == LTTNG_KERNEL_ABI_SYSCALL_ENTRY || entryexit == LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT) {
ret = create_matching_event_notifiers(event_notifier_enabler,
- sc_table, ARRAY_SIZE(sc_table), SC_TYPE_ENTRY);
+ sc_table.table, sc_table.len, SC_TYPE_ENTRY);
if (ret)
goto end;
ret = create_matching_event_notifiers(event_notifier_enabler,
- compat_sc_table, ARRAY_SIZE(compat_sc_table),
+ compat_sc_table.table, compat_sc_table.len,
SC_TYPE_COMPAT_ENTRY);
if (ret)
goto end;
if (entryexit == LTTNG_KERNEL_ABI_SYSCALL_EXIT || entryexit == LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT) {
ret = create_matching_event_notifiers(event_notifier_enabler,
- sc_exit_table, ARRAY_SIZE(sc_exit_table),
+ sc_exit_table.table, sc_exit_table.len,
SC_TYPE_EXIT);
if (ret)
goto end;
goto end;
ret = create_matching_event_notifiers(event_notifier_enabler,
- compat_sc_exit_table, ARRAY_SIZE(compat_sc_exit_table),
+ compat_sc_exit_table.table, compat_sc_exit_table.len,
SC_TYPE_COMPAT_EXIT);
if (ret)
goto end;
int syscall_nr = -1;
int i;
- for (i = 0; i < ARRAY_SIZE(sc_table); i++) {
+ for (i = 0; i < sc_table.len; i++) {
const struct trace_syscall_entry *entry;
const char *it_name;
- entry = &sc_table[i];
+ entry = &sc_table.table[i];
if (!entry->desc)
continue;
it_name = entry->desc->event_name;
int syscall_nr = -1;
int i;
- for (i = 0; i < ARRAY_SIZE(compat_sc_table); i++) {
+ for (i = 0; i < compat_sc_table.len; i++) {
const struct trace_syscall_entry *entry;
const char *it_name;
- entry = &compat_sc_table[i];
+ entry = &compat_sc_table.table[i];
if (!entry->desc)
continue;
it_name = entry->desc->event_name;
static
uint32_t get_sc_tables_len(void)
{
- return ARRAY_SIZE(sc_table) + ARRAY_SIZE(compat_sc_table);
+ return sc_table.len + compat_sc_table.len;
}
static
const struct trace_syscall_entry *entry;
int iter = 0;
- for (entry = sc_table;
- entry < sc_table + ARRAY_SIZE(sc_table);
+ for (entry = sc_table.table;
+ entry < sc_table.table + sc_table.len;
entry++) {
if (iter++ >= *pos)
return entry;
}
- for (entry = compat_sc_table;
- entry < compat_sc_table + ARRAY_SIZE(compat_sc_table);
+ for (entry = compat_sc_table.table;
+ entry < compat_sc_table.table + compat_sc_table.len;
entry++) {
if (iter++ >= *pos)
return entry;
const struct trace_syscall_entry **table,
unsigned int *bitness)
{
- if (entry >= sc_table && entry < sc_table + ARRAY_SIZE(sc_table)) {
+ if (entry >= sc_table.table && entry < sc_table.table + sc_table.len) {
if (bitness)
*bitness = BITS_PER_LONG;
if (table)
- *table = sc_table;
+ *table = sc_table.table;
return 0;
}
- if (!(entry >= compat_sc_table
- && entry < compat_sc_table + ARRAY_SIZE(compat_sc_table))) {
+ if (!(entry >= compat_sc_table.table
+ && entry < compat_sc_table.table + compat_sc_table.len)) {
return -EINVAL;
}
if (bitness)
*bitness = 32;
if (table)
- *table = compat_sc_table;
+ *table = compat_sc_table.table;
return 0;
}
return ret;
if (!entry->desc)
return 0;
- if (table == sc_table) {
+ if (table == sc_table.table) {
index = entry - table;
name = &entry->desc->event_name[strlen(SYSCALL_ENTRY_STR)];
} else {
- index = (entry - table) + ARRAY_SIZE(sc_table);
+ index = (entry - table) + sc_table.len;
name = &entry->desc->event_name[strlen(COMPAT_SYSCALL_ENTRY_STR)];
}
seq_printf(m, "syscall { index = %lu; name = %s; bitness = %u; };\n",
return -ENOMEM;
filter = channel->sc_filter;
- for (bit = 0; bit < ARRAY_SIZE(sc_table); bit++) {
+ for (bit = 0; bit < sc_table.len; bit++) {
char state;
if (channel->sc_table) {
if (channel->compat_sc_table) {
if (!(READ_ONCE(channel->syscall_all_entry)
|| READ_ONCE(channel->syscall_all_exit)) && filter)
- state = test_bit(bit - ARRAY_SIZE(sc_table),
+ state = test_bit(bit - sc_table.len,
filter->sc_compat_entry)
- || test_bit(bit - ARRAY_SIZE(sc_table),
+ || test_bit(bit - sc_table.len,
filter->sc_compat_exit);
else
state = 1;
projects / lttng-modules.git / blobdiff